SBL Private Ltd. Manufactures Mother Tinctures. SBL Private Ltd. Is an ISO 9001: 2000 awarded company that also manufactures homoeopathic remedies including generics, single remedies, bio-chemic/combinations, as well as specialities. Mother Tinctures offer optimum concentration of active substances. The medicines, which are soluble in alcohol or water, are first prepared in Mother Tincture form. It is the extract of the original drug substance and it is made with alcohol or water in certain proportion. It is available in 400 varieties under different categories in 30ml, 100ml & 500ml packs.